15 Adult zebrafish are robustly social animals whereas larva is not. We designed an 16 assay to determine at what stage of development zebrafish begin to interact with and 17 prefer other fish. One week old zebrafish do not show significant social preference 18 whereas most 3 weeks old zebrafish strongly prefer to remain in a compartment where 19 they can view conspecifics. However, for some in...

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This position paper discusses the role of advanced sensor systems, integrated into smart homes and transportation networks and measuring use and consumption, in supporting a transition at the level of individuals, small groups and entire communities, to more sustainable ways of living. It focuses on how such technologies can be leveraged as a motivational tool. In particular it highlights the p...

Grounds for thinking that the model described in the previous paper can be used to support general biological principles of social evolution are briefly discussed. Two principles are presented, the first concerning the evolution of social behaviour in general and the second the evolution of social discrimination. Some tentative evidence is given. More general application of the theory in biolog...